Method of bubbling a gas into a glass melt
Feed materials are melted in a furnace to form a glass melt in a first vessel, transferred through a first refractory metal connecting tube to a second vessel for conditioning, then transferred through a second refractory metal connecting tube to a third vessel where the glass melt is fined. A gas i...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Feed materials are melted in a furnace to form a glass melt in a first vessel, transferred through a first refractory metal connecting tube to a second vessel for conditioning, then transferred through a second refractory metal connecting tube to a third vessel where the glass melt is fined. A gas is bubbled into the glass melt through an injection tube disposed in the first connecting tube, optionally in the second connecting tube, and optionally in both connecting tubes. The gas may be used to mix the melt and/or recharge a fining agent with oxygen. |
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